"To all are degrees or ranks according to their deeds."
[an-An'am, 6: 132]
"Is the man who follows the good pleasure of Allah like the one who draws upon himself the wrath of Allah and whose abode is in Hell - an evil refuge? They are varying grades in the sight of Allah, and Allah sees well all that they do."
[ali'-Imran, 3: 162-163]
"Indeed the hypocrites are in the lowest depths of the Fire; you will find no helper for them."
[an Nisa, 4: 145]